Electric fuel pump for use in the fuel injection system or a spa

Details Electric fuel pump for use in the fuel injection system or a spa Electric fuel pump for use in the fuel injection system or a spa

1981-05-05

1983-08-02

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417366, 29597, F04B 4908, F04B 3906

Patent

active

043963587

ABSTRACT:
An electrically-operated fuel pump is provided for supplying fuel to the fuel injection system of a spark-ignition I.C. engine. The pump comprises a casing wherein there is located a small electric motor and a rotary pumping assembly. The rotor of the motor is drivingly coupled to the impeller of the pumping assembly. The pump also includes a pressure relief valve for preventing the build up of excessive pressures within the casing, and a non-return valve provided at the pump outlet. The pump casing serves not only as a fuel containment member and a mechanical supporting structure, but also as the magnetic frame of the motor stator.

REFERENCES:
patent: 4134712 (1979-01-01), Kemmner et al.
patent: 4231719 (1980-11-01), Ringwald et al.
patent: 4314796 (1982-02-01), Terauchi

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